How does MacroVision CopyGuard work?

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Article #9300

#9300

From: Dear John.
Date: Fri, 04 Jan 1991 13:48

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I'm curious....does anyone know how MacroVision copy protection works?
Can someone please email me recent sci.e articles on it?

Thanks for all responses.

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   John C. Liu			              |
			        	      |      * <- me!
   Electrical Engineering Dept  	      |    
   University of Pennsylvania  	  	      | 
   Philadelphia, PA 19104	              |_____________________Y
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   Inet: jliu@pender.ee.upenn.edu   	    /	
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From: jliu@pender.ee.upenn.edu (Dear John.)
Newsgroups: sci.electronics
Subject: How does MacroVision CopyGuard work?
Keywords: An Answering machine work w/ a modem on PC
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Date: 4 Jan 91 13:48:46 GMT
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